<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>after and before</title>
		<style type="text/css">
			div{
				width: 300px;
				height: 300px;
				background-color: bisque;
			}
			div::before{
				content: '你是猪啊！';
				width: 200px;
				height: 200px;
				display: inline-block;
				background-color: aquamarine;
			}
			li{color: #7FFFD4;}
		</style>
	</head>
	<body>
		<div>
		<ul>
			<li><a>dsada</a>asdas</li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
		</ul>
			father
		</div>
	</body>
</html>
